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Scottykw I have an 88 Oldsmobile Cutlass Calais quad 4,2.3L needing help locating the knock sensor on my car,rough idling and slow and sluggish acceleration.ive replaced the crank shaft position sensor and spark plugs,and fuel filter and allot of other things, but not the knock sensor or the Mass air flow sensor...where can I locate the knock sensor?
You need to figure out what you are missing. What is the fuel pressure at the rail when you are cranking the engine? It needs to be above 40PSI. If you have sufficient fuel pressure you need to check for spark at the plugs while cranking. If you verify you have sufficient fuel and spark then you need to look to timing and compression. These are the four things an engine need to run. Fuel, spark, compression, and timing.
tcc stuck try unpluging it and see if same but dont drive with unpluged will burn up transmission also could be fuel pump . or crank shaft postion sensor . try the tcc first then vheck fuel presure , and then check for codes with scanner
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